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   <div id="projectname">ESP8266 ILI9341 display support code with printf sources, wire-frame viewer and custom fonts
   &#160;<span id="projectnumber">1.0</span>
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<a href="README_8md.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;\mainpage index page</div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;\section README</div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;</div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;@par Documentation</div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160; * Please use this link for Documentation and this README</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;   @see https://rawgit.com/magore/esp8266_ili9341/master/doxygen/html/index.html</div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;@par Copyright</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160; * See [COPYRIGHT.md](COPYRIGHT.md) for a full copyright notice for the project</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;@par Description</div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160; * ESP8266 support libraries</div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;   * All of the code in this project, except where noted is written by me</div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;   * Analog Devices ADF4351 Wideband Synthesizer driver and test code</div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;     * Control is via serial terminal that works while the other demos run</div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;     * adf4351 123456000 10000</div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;       * Frequency, and channel spacing used in calculations</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;     * adf4351_scan 144e6 145e6 10000</div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;       * start frequency, end frequency, channel spacing</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;   * ILI9341 display driver </div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;     * Multiple custom size windows</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;     * Custom fonts</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;     * Window scrolling </div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;     * readPixel() function supported</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;     * The specific display this was tested on is a TM022HDH26 display I got from eBay.</div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;     * Not limited by ILI9341 hardware scroll restrictions.</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;   * xpt2046 touch controller </div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;     * filtered read of XY </div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;     * debounced key press read of queued events</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;     * 5 point calibration routines</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;   * BDF FONT compiler tools and fonts sets </div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;     * Tools to creates C code used in the display drivers</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;   * Wireframe Viewer </div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;     * Code generator for Earth coastline data</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;     * I created two wireframe demos </div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;       * Cube wireframe dataset</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;       * Earth coastline dataset - wireframe view still needs hidden line removal option</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;   * CORDIC C code generator and 3D transformation code support functions use by wireframe viewer code</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;   * Small PRINTF with full floating point support - much smaller then GNU full version along </div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;   * Additional number IO functions, ATOF etc</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;   * WEB server using SD CARD with CGI processing - files and CGI results can be ANY SIZE!</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;     * Example web site for testing</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;     * WEB server can update TFT display</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;       * Simple door sign status update using web page - see html/msg.cgi and web/web.c for code</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;   * Network server client example for display updates</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;   * Uart network server client for serial uart to Network Bridge.</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;   * Generic queue handling code</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;   * ESP8266 support for FatFS by ChaN 2016 </div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;     * SD card and microSD support</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;   * POSIX wrappers for FatFS - provides UNIX/LINUX file I/O operations</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;   * POSIX time functions and RTC set with NTP</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;   * Multiple timers used by RTC and time functions</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;   * HSPI code that can handle multiple devices each with varying clock frequencies</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;@par Credits</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;  * Project compiles using ESP Open SDK - or esp8266-devkit by CHERTS</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    @see https://github.com/pfalcon/esp-open-sdk</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    @see https://github.com/CHERTS/esp8266-devkit</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;  * Display drivers from third parties</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    A few of the display driver functions are from the Adafruit GFX Library</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;      @see https://github.com/adafruit/Adafruit-GFX-Library</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    Optimized Line drawing function and Makefile from CHERTS </div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;      @see https://github.com/CHERTS/esp8266-devkit/tree/master/Espressif/examples/esp8266_ili9341</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;  * Font sources:</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    @see https://www.gnu.org/software/freefont/</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    @see https://www.rockbox.org</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    @see http://www.cl.cam.ac.uk/~mgk25/ucs-fonts.html</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    @see http://en.wikipedia.org/wiki/Glyph_Bitmap_Distribution_Format</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    @see https://partners.adobe.com/public/developer/en/font/5005.BDF_Spec.pdf</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;  * Vector font code </div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    @See https: https://github.com/donbright/font_to_svg</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;  * Vector fonts</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    @See https://www.gnu.org/software/freefont</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;  * FatFS code is by ChaN:</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    @see http://elm-chan.org/fsw/ff/00index_e.html</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;  * Yield Code extracted from ESP8266 Arduino Project</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;   @see https://github.com/esp8266/Arduino</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;___</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;@par Directories</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;  * Files</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    * COPYRIGHT.md - Project Copyright file</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    * Doxyfile - Doxygen configuration file</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    * display.jpg - image of the ili9341 display while the software is running</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    * doit - bash script that compiles and uploads firmware then starts miniterm</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    * doxyfile.inc - automatically created file lists directories to search for documentation</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    * header - common include header that can be used by user C files</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    * get_esp-open-sdk - shell script to download / compile and install the current version of ESP OPEN SDK </div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;      * This project is now using versions 2.0.0 of the SDK</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;      * Tested on Ubuntu 16.04.1 and Ubuntu 14.04.5</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;      * Installs under /opt/Expressif/esp-open-sdk</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;    * get_esptool - downloads the latest version of esptool - required for this project</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    * header - example C headers required for C programs in this project</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    * Makefile from CHERTS modified for the project</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;      * Features are all controlled by variables in Makefile</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;      * Note the Makefile downloads the latest esptool automatically so it is no longer includd here</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    * meminfo.sh - displays current RAM usage for the project</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;      * Example: ./meminfo.sh build/demo.elf</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    * miniterm - shell script to launch terminal to 115200 baud</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;       Defaults to /dev/ttyUSB0 115200</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    * README.md - Project readme file</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;      * Tested with ESP8266_NONOS_SDK_V2.0.0_16_08_10, 1 Nov 2016</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    * send.c</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;      * Send message to network server </div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;      * Example: ./send -i 192.168.200.116 -m &#39;\fscrolling\ntext\n1\n2\n3\n4&#39;</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;        * These escape characters are processed on the display: \n, \t, \f</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    * setpath - set the current environment for the SDK and tools</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;      * Example: . setpath</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    * testflash.c</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;      * Create and read a test pattern filled file for flash testing</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    * video.mp4</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;      * Video of ili9341 display with web server CGI updating the display</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;  * Eclipse Project files and Directories</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    * Change .settings/language.settings.xml</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    * .cproject</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    * .project</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    * .settings</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;       * .settings/language.settings.xml</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;         * Contains path to cross compiler for indexing - matches assumptions in SDK installer script: get_esp-open-sdk</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  * Directories</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;    * adf4351 - Analog Devices ADF4351 Wideband Synthesizer with Integrated VCO driver</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;        * adf4351.c</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;        * adf4351.h</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;          * Main ADF4351 interface code</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        * adf4351_cmd.c</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;        * adf4351_cmd.h</div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;          * User interface and frequency scanning task</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;        * adf4351_hal.c</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;        * adf4351_hal.h</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;          * Hardware Abstraction layer</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    * bridge  - Serial bridge code - send and receive serial data via network</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;        * bridge.c</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;        * bridge.h</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;          * Opens a port on port 23 so you can use telnet to test</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;            * Note: at the moment no telnet command processing is done.</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;</div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;     * cordic - CORDIC function - a very fast method to do 2D/3D trig conversions</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;         * cordic.c        </div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;         * cordic.h        </div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;           * My 3D transformation functions are based on CORDIC and gradians/100</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;           * 1 = 90degrees so the integer part reflects the quadrant</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;         * cordic2c_inc.h  </div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;           * CORDIC lookup tables generated with my program cordic2c</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;           * 1 = 90degrees so the integer part reflects the quadrant</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;         * make_cordic</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;           * cordic2c.c</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;             * My customized CORDIC code, CORDIC table generating tools</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;             * Creates fixed point tables where 1 = 90degrees </div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;               * The integer part reflects the quadrant</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;             * Based on work by P. Knoppers, 13-Apr-1992.</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;           * Makefile</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;             * Make and test CORDIC tables</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;     </div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;     * display - My mostly rewritten ili9341 display driver with multiple window support and scrolling</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;       * Depends on a few modified Adafruit functions under directory driver</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;         * font.c        </div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;         * font.h        </div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;           * My Fixed and proportional font display code </div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;         * fonts.h        </div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;           * Font data structures created via the BDF converter - see fonts directory</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;         * ili9341.c           </div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;         * ili9341.h           </div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;           * multiple window support </div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;           * readPixel() works on most all 4 wire displays now</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;           * scrolling window support</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;           * Optimized line drawing function is from CHERTS</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;             * Non optimized version is also supplied that I wrote in 1984</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;         * ili9341_hal.c           </div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;         * ili9341_hal.h           </div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;             * Display hardware abstraction layer</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;        * tft_printf.c</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;        * tft_printf.h</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;          * Printf interface to display library tft_printf()</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    * docs - ili9431 and esp8266 related documents</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;  </div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    * 3rd_party - third party code</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        * cal_dex.c       </div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;          * Debug exception support by cal (20150421, cal)</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;        * ili9341_adafruit.c  </div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;        * ili9341_adafruit.h</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;          * Adafruit display - just those remaining functions that I have not rewritten</div><div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    </div><div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;     * earth  - Earth coast line data and display code</div><div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;       * Still need to add hidden vector removal</div><div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;         * 00README.txt</div><div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;           * Article on coordinate transforms from stackoverflow by Daphna Shezaf</div><div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;         * earth2wireframe.c</div><div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;           * Create C structure wire-frame coastline data</div><div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;           * This code could be easily adapted for any kind of wire-frame</div><div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;         * Makefile</div><div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;           * earth_data.h from Coastline LAT/LONG pairs</div><div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;         * data - Coastline data at various resolutions</div><div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;           * world.dat      </div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;           * world_10m.txt  </div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;           * world_110m.txt </div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;           * world_50m.txt</div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div><div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;     * esp8266 - ESP8266 specific code</div><div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;         * bits’</div><div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;         * couch</div><div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;         * Debugging printf wrapper</div><div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;           * debug’s</div><div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;           * debug’s</div><div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;         * Flash read, Bittest functions, For systems requiring specific memory alignment access methods</div><div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;           * flash.c</div><div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;           * flash.h</div><div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;         * My rewritten HPSI code that avoids unaligned read and writes (based on code ideas from CHERTS and Sem)</div><div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;           * hspi.c</div><div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;           * hspi.h</div><div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;         * Chip select, addressing code and spi abstraction layer for all devices</div><div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;           * hal.c</div><div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;           * hal.h</div><div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;         * RTC DS1307 code in progress</div><div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;           * rtc.c</div><div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;           * rtc.h</div><div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;         * POSIX malloc, calloc, free wrappers and reset functions</div><div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;           * system.c</div><div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;           * system.h</div><div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;         * Serial I/O Interrupt driven receive and transmit code</div><div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;           * uart.c</div><div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;           * uart.h</div><div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;           * uart_register.h</div><div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    </div><div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;     * fatfs  - R0.12b FatFS code from (C)ChaN, 2016 </div><div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;       * with minimal changes for ESP8266</div><div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;         * 00history.txt</div><div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;         * 00readme.txt</div><div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;         * ff.c</div><div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;         * ff.h</div><div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;         * ffconf.h</div><div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;         * integer.h</div><div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;         * option</div><div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;           * cc932.c</div><div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;           * cc936.c</div><div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;           * cc949.c</div><div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;           * cc950.c</div><div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;           * ccsbcs.c</div><div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;           * syscall.c</div><div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;           * unicode.c</div><div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;</div><div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;     * fatfs.hal - My updated FatFS hardware abstraction layer code for ESP8266 </div><div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;         * Device layer</div><div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;           * diskio.c</div><div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;           * diskio.h</div><div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;         * MMC Code for SD cards</div><div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;           * mmc.c</div><div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;           * mmc.h</div><div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;         * MMC Hardware abstraction layer</div><div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;           * mmc_hal.c</div><div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;           * mmc_hal.h</div><div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;     * fatfs.sup - My POSIX wrappers for FatFS and user interface code</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;         * fatfs.h</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;           * Master include file for all FatFS headers</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;         * FatFS support functions</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;           * fatfs_sup.c</div><div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;           * fatfs_sup.h</div><div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;         * User tests and commands</div><div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;           * fatfs_utils.c</div><div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;           * fatfs_utils.h</div><div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;         * My POSIX wrappers for fatfs</div><div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;           * posix.c - provides a POSIX interface for FatFS - Linux file I/O wrappers </div><div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;           * posix.h</div><div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;</div><div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;     * fonts - BDF Font conversion code</div><div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;         * bdffont2c.c  </div><div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;           * Convert BDF fonts to C structures main program</div><div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;         * bdffontutil.c  </div><div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;         * bdffontutil.h  </div><div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;           * BDF fonts to C support code</div><div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;         * bdfview.c  </div><div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;           * ASCII previewer to test BDF display code </div><div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;         * font.h  </div><div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;           * Font data structure definitions</div><div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;         * fonts.h  </div><div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;           * Converted fonts as C structures</div><div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;         * Makefile</div><div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;           * Make file to build selected fonts into a C structure</div><div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;         * docs           </div><div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;           * BDF font specs</div><div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;         * fixed          </div><div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;           * ucs-fonts.tar.gz</div><div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;           * Unicode versions of the X11 &quot;misc-fixed-*&quot; fonts</div><div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;           * Markus Kuhn, etc</div><div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;         * fonts</div><div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;           * Rockbox Font Collection - www.rockbox.org</div><div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;           * Reorganized into three directories</div><div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;             * C - constant size fonts</div><div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;             * P - Proportional size fonts</div><div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;             * O - Other</div><div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;         * freefont</div><div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;           * Freefont fonts  www.gnu.org/software/freefont</div><div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;  </div><div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;     * html - A working web site with files that can be put on an SD card</div><div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;         * Used for testing web.c</div><div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;</div><div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;     * include </div><div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;         * user_config.h</div><div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;           * Master include and config header</div><div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;         * spi_register.h </div><div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;           * From Expressif</div><div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;         * uart_register.h</div><div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;           * From Expressif</div><div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;</div><div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;     * ld - Linker scripts</div><div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;</div><div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;     * lib - time, RTC and timer functions</div><div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;         * Matrix functions</div><div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;           - used for N point least squares screen calibration functions</div><div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;           * matrix.c</div><div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;           * matrix.h</div><div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;         * POSIX time functions</div><div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;           * time.h</div><div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;           * time.c </div><div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;         * Simple timers and tasks</div><div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;           * timer.h</div><div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;           * timer.c </div><div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;         * timer hardware abstraction layer</div><div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;           * timer_hal.h</div><div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;           * timer_hal.c - timer hardware abstraction layer</div><div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;         * implementation of some POSIX ctype and string functions</div><div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;           * string.c</div><div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;           * string.h</div><div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;         * Generic ring buffer support code</div><div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;           * queue.c</div><div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;           * queue.h</div><div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;  </div><div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;     * network - Simple network server </div><div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;       * displays message sent by send.c </div><div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;         * network.c</div><div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;         * network.h</div><div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;  </div><div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;     * printf  My small printf with floating support, misc I/O functions</div><div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;       * Build and test printf</div><div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;         * Makefile</div><div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;       * Number I/O function</div><div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;         * mathio.c</div><div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;         * mathio.h</div><div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;       * printf function with user defined output function - for strings, files or devices</div><div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;         * printf.c</div><div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;       * Simple scanf</div><div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;         * sscanf.c</div><div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;       * Test functions for printf.c that can be run under Linux to verify results</div><div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;         * test_printf.c</div><div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div><div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;     * server - Receive network message and display on ili9341 display</div><div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;       * server.c</div><div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;       * server.h</div><div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;</div><div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;     * user - Main user demo task</div><div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;       * Initializes ESP8266 and sets up demo with 4 active windows with independent attributes</div><div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;         * user_main.c</div><div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;  </div><div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;     * vfont - Vector font generator code</div><div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;       * Based on https://github.com/donbright/font_to_svg</div><div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;         * LICENSE  </div><div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;         * README.md   </div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;         * Makefile  - build vfont Creates Vector outline fonts saved in ../display/vfonts.h</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;         * vfont.cpp - Create C structure of TTF font</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;         * vfont.hpp - modified verision of font_to_svg.hpp that outputs C structure data</div><div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;</div><div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;     * web - Web server with FAT file system SD CARD support </div><div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;       * Features</div><div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;         * web.c</div><div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;         * web.h</div><div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;      * Served files can be ANY SIZE!</div><div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;         * CGI files can have an extension of: html,htm,text,txt,cgi</div><div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;        * CGI results can be ANY SIZE</div><div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;      * Only tokens of the form @_ token _@ are replaced by the rewrite function</div><div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;         * @see rewrite_cgi_token() in web.c</div><div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;      * Uses yield function to continue background tasks while serving requests</div><div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;       * Applications</div><div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;         * I created a door sign status display that can be updated via a web page web page running on the esp8266</div><div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;         * Copy the file html/msg.cgi to the root folder of a fat32 SD card and modify to suit your needs.</div><div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;         * Use: open a web browser to the web server running on the esp8266</div><div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;           * See the Video</div><div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;           * For example: http://192.168.200.116/msg.cgi</div><div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;           * You can update status and return time information on the TFT display by entering information on the page.</div><div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;</div><div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;     * wire - Wireframe viewer code - uses CORDIC</div><div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;       * Wireframe viewer</div><div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;         * wire.c</div><div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;         * wire.h</div><div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;       * Cube data</div><div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;         * cube_data.h    </div><div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;       * Wireframe EARTH data</div><div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;         * earth_data.h</div><div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;</div><div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;     * xpt2046 - touch screen code </div><div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;         - Serial commands: calibrate N   </div><div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;           - N = 0 .. 3 for screen rotaion to set and calibrate</div><div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;           - uses 5 point calibration method - see matrix.c</div><div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;         - Serial commands: calibrate_test 1   </div><div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;           - N = 0 .. 3 for screen rotaion to set and calibrate</div><div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;           - uses 5 point calibration method - see matrix.c</div><div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;           - runs calibration demo to show accuracy of calibration</div><div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;         - TODO store and read back values</div><div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;         * calibrate.c </div><div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;         * calibrate.h</div><div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;         * xpt2046.c </div><div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;         * xpt2046.h </div><div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;     * yield - Yield code from Arduino yield code</div><div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;       * README.txt     </div><div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;       * Context switch code</div><div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;         * cont.S         </div><div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;         * cont.h         </div><div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;         * cont_util.c    </div><div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;         * ets_sys.h</div><div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;       * Main user_init and task replacement with yield support</div><div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;         * user_task.c    </div><div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;         * user_task.h</div><div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;</div><div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;@par Connections</div><div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;</div><div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;   * ESP8266           </div><div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;     * MISO/GPIO12 </div><div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;     * MOSI/GPIO13</div><div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;     * CLK/GPIO14</div><div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;      * CHIP_EN ---1K--- VCC3.3V</div><div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;      * CH_PD   ---1K--- VCC3.3V</div><div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;      * REST    ---1K--- VCC3.3V   Ground REST to reset ESP8266 and ILI9341</div><div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;      * GPIO  2 ---1K--- VCC3.3V</div><div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;      * GPIO  0 ---1K--- VCC3.3V   Ground GPIO 0 to to enable flashing</div><div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;      * GPIO 15 ---1K--- GND       Need pull down for boot</div><div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;      * GPIO 14 ---1K--- GND       Keeps floating pins from generating false clocks on attached devices</div><div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;      * GND ------------ GND</div><div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;      * T_OUT ------ +            T_OUT is connected to varaible VR100K </div><div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;                     | </div><div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;        VCC--330K--VR100K-- GND   Variable VR100K is connected to 330K then VCC</div><div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;                                  Max voltage to T_OUT pin is VCC * 100K / (330K+100K)</div><div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;</div><div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;    * FTDI232 USB/TTL      ESP8266 </div><div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;      * TXD ----1K--------  RXD</div><div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;      * RXD --------------  TXD</div><div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;      * RTS ---|&lt;--------- REST    Optional - Diode with Cathode to RTS, Anode to ESP8266 Reset</div><div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;      * DTR ---|&lt;----1K--- GPIO 00 Optional - Diode with cathode to DTR, Anode to 1K to ESP8266 GPIO00 for flashing</div><div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;      * GND --------------  GND</div><div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;      * Note: if you use the optional DTR,RTS conneections you have to use miniterm script provided</div><div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        recommend using jumpers to anable this feature if you do not wish to have the ESP8266 reset automatically</div><div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;</div><div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;    * xpt2046        ESP8266</div><div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;      * MOSI   MOSI  GPIO 13</div><div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;      * MISO   MISO  GPIO 12</div><div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;      * SCK    CLK   GPIO 14 </div><div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;      * CS           GPIO 02</div><div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;</div><div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;    * ILI9341        ESP8266</div><div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;      * Data/Command GPIO 05 (see io.c and SWAP45 in Makefile - my pin lables are backwards!)</div><div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;      * CS           GPIO 15 (see io.c)</div><div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;      * SDI    MOSI  GPIO 13</div><div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;      * SDO    MISO  GPIO 12</div><div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;      * SCK    CLK   GPIO 14 </div><div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;      * RST    REST  RESET</div><div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;      * VCC          VCC3.3V</div><div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;      * GND          GND</div><div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;</div><div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;    * MMC/SD reader  ESP8266</div><div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;      * D3/CS        GPIO 04 (see io.c and SWAP45 in Makefile - my pin lables are backwards!)</div><div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;      * CMD/DI MOSI  GPIO 13</div><div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;      * D0     MISO  GPIO 12</div><div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;      * CLK    CLK   GPIO 14</div><div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;      * VCC          VCC3.3V</div><div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;      * GND          GND</div><div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;</div><div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;    * ADF4351        ESP8266</div><div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;      * LE           GPIO 00 (see io.c)</div><div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;      * DATA   MOSI  GPIO 13</div><div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;      * CLK     CLK  GPIO 14</div><div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;      * MUXOUT            NC</div><div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;      * CE                NC</div><div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;      * VCC          VCC3.3V</div><div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;      * GND          GND</div><div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;</div><div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;@par Demo Video</div><div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;  * See web.c for details.</div><div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;    * I created a door status display that can be updated via a web page web page </div><div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;    * I did a status update while recording the video</div><div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;    * Result: https://github.com/magore/esp8266_ili9341/blob/master/video.mp4?raw=true</div><div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;</div><div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;@par Demo Images</div><div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;  * Running demo and sending a message to the network window</div><div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;  * &quot;./send -i 192.168.200.116 -m &#39;testing\nTest3\nscrolling\ntext\n1\n2&#39;&quot;</div><div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;    * Diagnostics from send</div><div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;     ip:192.168.200.116, port:31415, message:</div><div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;     testing</div><div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;     Test3</div><div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;     scrolling</div><div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;     text</div><div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;     1</div><div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;     2</div><div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;     Host name: 192.168.200.116</div><div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;     * Result: ![](https://github.com/magore/esp8266_ili9341/blob/master/display.jpg)</div></div><!-- fragment --></div><!-- contents -->
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